91991590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:409

約数の個数: 48

約数和(自身を含む): 177937200

約数和(自身を除く): 85945610

約数列:

[1, 2, 5, 10, 17, 34, 85, 139, 170, 229, 278, 289, 458, 578, 695, 1145, 1390, 1445, 2290, 2363, 2890, 3893, 4726, 7786, 11815, 19465, 23630, 31831, 38930, 40171, 63662, 66181, 80342, 132362, 159155, 200855, 318310, 330905, 401710, 541127, 661810, 1082254, 2705635, 5411270, 9199159, 18398318, 45995795, 91991590]

約数ペア:

[(1, 91991590), (2, 45995795), (5, 18398318), (10, 9199159), (17, 5411270), (34, 2705635), (85, 1082254), (139, 661810), (170, 541127), (229, 401710), (278, 330905), (289, 318310), (458, 200855), (578, 159155), (695, 132362), (1145, 80342), (1390, 66181), (1445, 63662), (2290, 40171), (2363, 38930), (2890, 31831), (3893, 23630), (4726, 19465), (7786, 11815)]